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Suppose 2x - 3y = 5 is the relation betw...

Suppose `2x - 3y = 5` is the relation between the varibles x and y. If the variance of x is 1.44 and y has mean 1, then calculate the sandard deviation of y.

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UNITED BOOK HOUSE-Model Test Set - 5-Exercise
  1. What are different measures of skewness.

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  2. A, B and C are three mutually exclusive and exhaustive events associat...

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  3. The probability that a student passes a physics test is 2/3 and the th...

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  4. Show that if events A and B are independent, then so are A^c and B^c.

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  5. What is the difference between A^@ and AU?

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  6. Write a short note on histogram of a frequency distribution.

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  7. If the relation between two variables x and y is 2x + 3y = 7 and media...

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  8. Suppose 2x - 3y = 5 is the relation between the varibles x and y. If t...

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  9. Derive Largrange’s interpolation formula for n = 3.

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  10. Prove that /\^2(ab^(ex))=(b^c-1)^2ab^(ex).

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  11. Given that x. y, z are unequal positive numbers show that 1/x+1/y+1/z ...

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  12. Prove that log5^7 < sqrt2.

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  13. If A an B are two events such that P(A) = 3/4 and P(B^c) = 3/8. then p...

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  14. An investment consultant predicts that the odds against the price of a...

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  15. A and B alternatively toss a fair coin. The first one to throw a head ...

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  16. What do you mean by purchasing power of money?

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  17. In a frequency table, the upper boundary of each class-interval has a ...

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  18. State and Prove the theorem of compound probability. If events are ind...

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  19. Three groups of children contain respectively 3 girls and 1 boy, 2 gir...

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  20. Write down uses of index numbers.

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